King of Great Britain and Ireland from 1760 to 1820; the American colonies were lost during his reign; he became insane in 1811 and his son (later George IV) acted as regent until 1820 (1738-1820) • Syn: George • Derivationally related forms: Georgian (for: George) • Instance Hypernyms: King of England, King of Great Britain • Member Holonyms: Hanover, House of Hanover, Hanoverian line